Base | Representation |
---|---|
bin | 1111100011110… |
… | …11111110101110 |
3 | 100002121200012121 |
4 | 13301323332232 |
5 | 231403444441 |
6 | 20541423154 |
7 | 3143332366 |
oct | 761737656 |
9 | 302550177 |
10 | 130531246 |
11 | 6775506a |
12 | 3786aaba |
13 | 21073531 |
14 | 1349b9a6 |
15 | b6d5dd1 |
hex | 7c7bfae |
130531246 has 8 divisors (see below), whose sum is σ = 199115640. Its totient is φ = 64159368.
The previous prime is 130531223. The next prime is 130531283. The reversal of 130531246 is 642135031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 130531246.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552981 + ... + 553216.
It is an arithmetic number, because the mean of its divisors is an integer number (24889455).
Almost surely, 2130531246 is an apocalyptic number.
130531246 is a deficient number, since it is larger than the sum of its proper divisors (68584394).
130531246 is a wasteful number, since it uses less digits than its factorization.
130531246 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1106258.
The product of its (nonzero) digits is 2160, while the sum is 25.
The square root of 130531246 is about 11425.0271772106. The cubic root of 130531246 is about 507.2688113600.
Adding to 130531246 its reverse (642135031), we get a palindrome (772666277).
The spelling of 130531246 in words is "one hundred thirty million, five hundred thirty-one thousand, two hundred forty-six".
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